三个自变量，一个因变量求高版本1stopt代跑程序
x1 x2 x3 y
313.15 12.76 7 11.22
313.15 14.13 7 10.87
313.15 15.51 7 10.38
313.15 16.89 7 9.98
313.15 18.27 7 9.63
313.15 19.65 7 9.31
313.15 21.03 7 9.05
313.15 22.41 7 8.81
313.15 23.79 7 8.41
313.15 25.17 7 8.08
313.15 26.54 7 7.81
313.15 27.92 7 7.53
313.15 29.30 7 7.33
313.15 30.68 7 6.92
313.15 32.06 7 6.61
313.15 33.44 7 6.3
313.15 34.82 7 5.97
313.15 36.20 7 5.62
313.15 37.58 7 5.24
333.15 11.38 7 10.86
333.15 12.76 7 10.34
333.15 14.13 7 9.84
333.15 15.51 7 9.47
333.15 16.89 7 9.07
333.15 18.27 7 8.7
333.15 19.65 7 8.58
333.15 21.03 7 8.13
333.15 22.41 7 7.81
333.15 23.79 7 7.51
333.15 25.17 7 7.01
333.15 26.54 7 6.82
333.15 27.92 7 6.55
333.15 29.30 7 6.14
333.15 30.68 7 5.79
333.15 32.06 7 5.61
333.15 33.44 7 5.46
333.15 34.82 7 5.15
333.15 36.20 7 4.74
333.15 37.58 7 4.4
353.15 10.00 7 10.19
353.15 11.38 7 9.63
353.15 12.76 7 9.12
353.15 14.13 7 8.72
353.15 15.51 7 8.44
353.15 16.89 7 8.08
353.15 18.27 7 7.84
353.15 19.65 7 7.55
353.15 21.03 7 7.18
353.15 22.41 7 6.84
353.15 23.79 7 6.51
353.15 25.17 7 6.14
353.15 26.54 7 5.81
353.15 27.92 7 5.41
353.15 29.30 7 5.27
353.15 30.68 7 4.87
353.15 32.06 7 4.60
353.15 33.44 7 4.27
353.15 34.82 7 4.11
353.15 36.20 7 3.73
353.15 37.58 7 3.40
373.15 8.62 7 9.52
373.15 10.00 7 8.98
373.15 11.38 7 8.5
373.15 12.76 7 8.11
373.15 14.13 7 7.71
373.15 15.51 7 7.31
373.15 16.89 7 7.04
373.15 18.27 7 6.55
373.15 19.65 7 6.46
373.15 21.03 7 6.18
373.15 22.41 7 5.79
373.15 23.79 7 5.51
373.15 25.17 7 5.3
373.15 26.54 7 4.98
373.15 27.92 7 4.71
373.15 29.30 7 4.3
373.15 30.68 7 3.99
373.15 32.06 7 3.63
313.4 1.19 10 21.58
313.4 3.74 10 19.69
313.4 10.54 10 15.89
313.4 14.75 10 14.04
313.4 22.00 10 11.73
313.4 27.98 10 10.26
313.4 34.68 10 8.72
313.4 42.36 10 7.49
313.4 47.33 10 6.83
313.4 51.02 10 6.36
313.4 55.78 10 5.87
313.4 62.17 10 5.24
343.2 0.71 10 19.03
343.2 3.72 10 17.29
343.2 7.32 10 15.36
343.2 14.50 10 12.5
343.2 21.10 10 10.47
343.2 28.29 10 8.66
343.2 35.01 10 7.34
343.2 41.75 10 6.22
343.2 48.85 10 5.37
343.2 57.07 10 4.48
343.2 64.47 10 3.81
343.2 69.00 10 3.43
392.6 0.41 10 14.9
392.6 3.80 10 13.21
392.6 7.48 10 11.91
392.6 14.67 10 9.55
392.6 20.90 10 7.84
392.6 28.27 10 6.12
392.6 34.92 10 4.99
392.6 41.99 10 4.15
392.6 49.27 10 3.21
392.6 55.60 10 2.67
392.6 62.59 10 2.02
392.6 64.93 10 1.86
442.2 0.90 10 10.79
442.2 4.38 10 9.44
442.2 7.63 10 8.7
442.2 16.35 10 6.19
442.2 21.24 10 5.19
442.2 28.27 10 3.88
442.2 35.48 10 2.86
442.2 45.91 10 1.55
442.2 48.67 10 1.31
442.2 55.67 10 0.90
313.15 0.34 16 22.32
313.15 1.72 16 21.49
313.15 3.10 16 20.90
313.15 4.48 16 20.17
313.15 5.86 16 19.52
313.15 7.24 16 18.73
313.15 8.62 16 17.92
313.15 10.00 16 17.34
313.15 11.38 16 16.71
313.15 12.76 16 15.96
313.15 14.13 16 15.41
313.15 15.51 16 15.10
313.15 16.89 16 14.78
313.15 18.27 16 14.41
313.15 19.65 16 14.10
313.15 21.03 16 13.8
313.15 22.41 16 13.41
313.15 23.79 16 13.11
313.15 25.17 16 12.81
313.15 26.54 16 12.57
313.15 27.92 16 12.27
313.15 29.30 16 11.91
313.15 30.68 16 11.61
313.15 32.06 16 11.11
313.15 33.44 16 10.8
313.15 34.82 16 10.62
313.15 36.20 16 10.29
313.15 37.58 16 9.99
313.15 38.96 16 9.58
313.15 40.33 16 9.42
313.15 41.71 16 8.99
313.15 0.34 16 21.54
333.15 1.72 16 20.71
333.15 3.10 16 20.14
333.15 4.48 16 19.31
333.15 5.86 16 18.57
333.15 7.24 16 17.91
333.15 8.62 16 17.28
333.15 10.00 16 16.4
333.15 11.38 16 15.77
333.15 12.76 16 15.24
333.15 14.13 16 14.86
333.15 15.51 16 14.72
333.15 16.89 16 14.28
333.15 18.27 16 13.87
333.15 19.65 16 13.64
333.15 21.03 16 13.32
333.15 22.41 16 12.92
333.15 23.79 16 12.82
333.15 25.17 16 12.37
333.15 26.54 16 11.95
333.15 27.92 16 11.62
333.15 29.30 16 11.30
333.15 30.68 16 10.98
333.15 32.06 16 10.66
333.15 33.44 16 10.44
333.15 34.82 16 10.11
333.15 36.20 16 9.70
333.15 37.58 16 9.41
333.15 38.96 16 9.25
333.15 40.33 16 8.78
333.15 41.71 16 8.44
333.15 0.34 16 20.7
353.15 1.72 16 19.93
353.15 3.10 16 19.34
353.15 4.48 16 18.64
353.15 5.86 16 17.91
353.15 7.24 16 17.12
353.15 8.62 16 16.47
353.15 10.00 16 15.54
353.15 11.38 16 14.99
353.15 12.76 16 14.7
353.15 14.13 16 14.38
353.15 15.51 16 14.00
353.15 16.89 16 13.72
353.15 18.27 16 13.45
353.15 19.65 16 13.24
353.15 21.03 16 12.83
353.15 22.41 16 12.45
353.15 23.79 16 12.24
353.15 25.17 16 11.94
353.15 26.54 16 11.52
353.15 27.92 16 11.24
353.15 29.30 16 10.73
353.15 30.68 16 10.56
353.15 32.06 16 10.4
353.15 33.44 16 9.94
353.15 34.82 16 9.62
353.15 36.20 16 9.22
353.15 37.58 16 8.85
353.15 38.96 16 8.63
353.15 40.33 16 8.32
353.15 41.71 16 7.92
353.15 0.34 16 19.58
373.15 1.72 16 18.97
373.15 3.10 16 18.19
373.15 4.48 16 17.54
373.15 5.86 16 16.75
373.15 7.24 16 16.00
373.15 8.62 16 15.21
373.15 10.00 16 14.51
373.15 11.38 16 14.32
373.15 12.76 16 13.96
373.15 14.13 16 13.72
373.15 15.51 16 13.53
373.15 16.89 16 12.97
373.15 18.27 16 12.70
373.15 19.65 16 12.36
373.15 21.03 16 12.11
373.15 22.41 16 11.7
373.15 23.79 16 11.41
373.15 25.17 16 11.32
373.15 26.54 16 10.78
373.15 27.92 16 10.58
373.15 29.30 16 10.16
373.15 30.68 16 9.90
373.15 32.06 16 9.58
373.15 33.44 16 9.22
373.15 34.82 16 8.9
373.15 36.20 16 8.57
373.15 37.58 16 8.36
373.15 38.96 16 7.92
373.15 40.33 16 7.56
373.15 41.71 16 7.21
麻烦大神帮忙~非常感谢
返回小木虫查看更多
京公网安备 11010802022153号
公式: y = p1+p2*x1^0.5+p3*x2^0.5+p4*x3^0.5
算法: 通用全局优化算法(UGO1)
均方差(RMSE): 0.663821466154695
残差平方和(SSR): 109.283416854087
相关系数(R): 0.989921518557923
相关系数之平方(R^2): 0.979944612904024
修正R平方(Adj. R^2): 0.979614483075283
确定系数(DC): 0.979944611998412
参数名 参数值
=============== ===============
p1 37.2747798397663
p2 -1.6145811447572
p3 -2.13895702690534
p4 3.84732372411525
大神好，能否进行特定形式拟合，谢谢了
Title "IFT";
Parameter b1, b2, b3, b4, b5, b6, b7, b8;
Variable x1, x2, x3, y;
Function y=(b1*x1^b2+b3*x1)*x2*x3^b4+b5*x2*x3^b4+b6*x1^b7+b8*x3^b4;
Data;
//x1 x2 x3 y
313.15 12.76 7 11.22
313.15 14.13 7 10.87
313.15 15.51 7 10.38
313.15 16.89 7 9.98
313.15 18.27 7 9.63
313.15 19.65 7 9.31
313.15 21.03 7 9.05
313.15 22.41 7 8.81
313.15 23.79 7 8.41
313.15 25.17 7 8.08
313.15 26.54 7 7.81
313.15 27.92 7 7.53
313.15 29.30 7 7.33
313.15 30.68 7 6.92
313.15 32.06 7 6.61
313.15 33.44 7 6.3
313.15 34.82 7 5.97
313.15 36.20 7 5.62
313.15 37.58 7 5.24
333.15 11.38 7 10.86
333.15 12.76 7 10.34
333.15 14.13 7 9.84
333.15 15.51 7 9.47
333.15 16.89 7 9.07
333.15 18.27 7 8.7
333.15 19.65 7 8.58
333.15 21.03 7 8.13
333.15 22.41 7 7.81
333.15 23.79 7 7.51
333.15 25.17 7 7.01
333.15 26.54 7 6.82
333.15 27.92 7 6.55
333.15 29.30 7 6.14
333.15 30.68 7 5.79
333.15 32.06 7 5.61
333.15 33.44 7 5.46
333.15 34.82 7 5.15
333.15 36.20 7 4.74
333.15 37.58 7 4.4
353.15 10.00 7 10.19
353.15 11.38 7 9.63
353.15 12.76 7 9.12
353.15 14.13 7 8.72
353.15 15.51 7 8.44
353.15 16.89 7 8.08
353.15 18.27 7 7.84
353.15 19.65 7 7.55
353.15 21.03 7 7.18
353.15 22.41 7 6.84
353.15 23.79 7 6.51
353.15 25.17 7 6.14
353.15 26.54 7 5.81
353.15 27.92 7 5.41
353.15 29.30 7 5.27
353.15 30.68 7 4.87
353.15 32.06 7 4.60
353.15 33.44 7 4.27
353.15 34.82 7 4.11
353.15 36.20 7 3.73
353.15 37.58 7 3.40
373.15 8.62 7 9.52
373.15 10.00 7 8.98
373.15 11.38 7 8.5
373.15 12.76 7 8.11
373.15 14.13 7 7.71
373.15 15.51 7 7.31
373.15 16.89 7 7.04
373.15 18.27 7 6.55
373.15 19.65 7 6.46
373.15 21.03 7 6.18
373.15 22.41 7 5.79
373.15 23.79 7 5.51
373.15 25.17 7 5.3
373.15 26.54 7 4.98
373.15 27.92 7 4.71
373.15 29.30 7 4.3
373.15 30.68 7 3.99
373.15 32.06 7 3.63
313.4 1.19 10 21.58
313.4 3.74 10 19.69
313.4 10.54 10 15.89
313.4 14.75 10 14.04
313.4 22.00 10 11.73
313.4 27.98 10 10.26
313.4 34.68 10 8.72
313.4 42.36 10 7.49
313.4 47.33 10 6.83
313.4 51.02 10 6.36
313.4 55.78 10 5.87
313.4 62.17 10 5.24
343.2 0.71 10 19.03
343.2 3.72 10 17.29
343.2 7.32 10 15.36
343.2 14.50 10 12.5
343.2 21.10 10 10.47
343.2 28.29 10 8.66
343.2 35.01 10 7.34
343.2 41.75 10 6.22
343.2 48.85 10 5.37
343.2 57.07 10 4.48
343.2 64.47 10 3.81
343.2 69.00 10 3.43
392.6 0.41 10 14.9
392.6 3.80 10 13.21
392.6 7.48 10 11.91
392.6 14.67 10 9.55
392.6 20.90 10 7.84
392.6 28.27 10 6.12
392.6 34.92 10 4.99
392.6 41.99 10 4.15
392.6 49.27 10 3.21
392.6 55.60 10 2.67
392.6 62.59 10 2.02
392.6 64.93 10 1.86
442.2 0.90 10 10.79
442.2 4.38 10 9.44
442.2 7.63 10 8.7
442.2 16.35 10 6.19
442.2 21.24 10 5.19
442.2 28.27 10 3.88
442.2 35.48 10 2.86
442.2 45.91 10 1.55
442.2 48.67 10 1.31
442.2 55.67 10 0.90
313.15 0.34 16 22.32
313.15 1.72 16 21.49
313.15 3.10 16 20.90
313.15 4.48 16 20.17
313.15 5.86 16 19.52
313.15 7.24 16 18.73
313.15 8.62 16 17.92
313.15 10.00 16 17.34
313.15 11.38 16 16.71
313.15 12.76 16 15.96
313.15 14.13 16 15.41
313.15 15.51 16 15.10
313.15 16.89 16 14.78
313.15 18.27 16 14.41
313.15 19.65 16 14.10
313.15 21.03 16 13.8
313.15 22.41 16 13.41
313.15 23.79 16 13.11
313.15 25.17 16 12.81
313.15 26.54 16 12.57
313.15 27.92 16 12.27
313.15 29.30 16 11.91
313.15 30.68 16 11.61
313.15 32.06 16 11.11
313.15 33.44 16 10.8
313.15 34.82 16 10.62
313.15 36.20 16 10.29
313.15 37.58 16 9.99
313.15 38.96 16 9.58
313.15 40.33 16 9.42
313.15 41.71 16 8.99
313.15 0.34 16 21.54
333.15 1.72 16 20.71
333.15 3.10 16 20.14
333.15 4.48 16 19.31
333.15 5.86 16 18.57
333.15 7.24 16 17.91
333.15 8.62 16 17.28
333.15 10.00 16 16.4
333.15 11.38 16 15.77
333.15 12.76 16 15.24
333.15 14.13 16 14.86
333.15 15.51 16 14.72
333.15 16.89 16 14.28
333.15 18.27 16 13.87
333.15 19.65 16 13.64
333.15 21.03 16 13.32
333.15 22.41 16 12.92
333.15 23.79 16 12.82
333.15 25.17 16 12.37
333.15 26.54 16 11.95
333.15 27.92 16 11.62
333.15 29.30 16 11.30
333.15 30.68 16 10.98
333.15 32.06 16 10.66
333.15 33.44 16 10.44
333.15 34.82 16 10.11
333.15 36.20 16 9.70
333.15 37.58 16 9.41
333.15 38.96 16 9.25
333.15 40.33 16 8.78
333.15 41.71 16 8.44
333.15 0.34 16 20.7
353.15 1.72 16 19.93
353.15 3.10 16 19.34
353.15 4.48 16 18.64
353.15 5.86 16 17.91
353.15 7.24 16 17.12
353.15 8.62 16 16.47
353.15 10.00 16 15.54
353.15 11.38 16 14.99
353.15 12.76 16 14.7
353.15 14.13 16 14.38
353.15 15.51 16 14.00
353.15 16.89 16 13.72
353.15 18.27 16 13.45
353.15 19.65 16 13.24
353.15 21.03 16 12.83
353.15 22.41 16 12.45
353.15 23.79 16 12.24
353.15 25.17 16 11.94
353.15 26.54 16 11.52
353.15 27.92 16 11.24
353.15 29.30 16 10.73
353.15 30.68 16 10.56
353.15 32.06 16 10.4
353.15 33.44 16 9.94
353.15 34.82 16 9.62
353.15 36.20 16 9.22
353.15 37.58 16 8.85
353.15 38.96 16 8.63
353.15 40.33 16 8.32
353.15 41.71 16 7.92
353.15 0.34 16 19.58
373.15 1.72 16 18.97
373.15 3.10 16 18.19
373.15 4.48 16 17.54
373.15 5.86 16 16.75
373.15 7.24 16 16.00
373.15 8.62 16 15.21
373.15 10.00 16 14.51
373.15 11.38 16 14.32
373.15 12.76 16 13.96
373.15 14.13 16 13.72
373.15 15.51 16 13.53
373.15 16.89 16 12.97
373.15 18.27 16 12.70
373.15 19.65 16 12.36
373.15 21.03 16 12.11
373.15 22.41 16 11.7
373.15 23.79 16 11.41
373.15 25.17 16 11.32
373.15 26.54 16 10.78
373.15 27.92 16 10.58
373.15 29.30 16 10.16
373.15 30.68 16 9.90
373.15 32.06 16 9.58
373.15 33.44 16 9.22
373.15 34.82 16 8.9
373.15 36.20 16 8.57
373.15 37.58 16 8.36
373.15 38.96 16 7.92
373.15 40.33 16 7.56
373.15 41.71 16 7.21
，
用网上的1.5版也能计算的吧，自己先动动手。
算不了，其中有8个参数，网上的最多能算4个参数
你用的不是 1.5 版本？
1.5版本在win7 系统运行，Win10 好像需要兼容模式。
1.5版本，win10兼容模式下运行的
请问最后怎么解决的？我的也是，参数大于4个，高版本的试用版跑不了，低版本的不精确，解不唯一。